Suppose that a certain fortunate person has a net worth of $77.0 billion ($). if her stock has a good year and gains $3.20 billion () in value, what is her new net worth? express your answer to three significant figures. suppose that this individual now decides to give one-eighth of a percent (0.125 ) of her new net worth to charity. how many dollars are given to charity? the answer is not 10.0025 or 12.5. i have been working at this problem and just need to figure out how do this for future reference.